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Toyota Corolla Repair Manual: Oxygen sensor heater control circuit...

Toyota Corolla Repair Manual / Diagnostics / Sfi system / Oxygen sensor heater control circuit...

Dtc p0031 oxygen sensor heater control circuit low (bank 1 sensor 1)

Dtc p0032 oxygen sensor heater control circuit high (bank 1 sensor 1)

Dtc p0037 oxygen sensor heater control circuit low (bank 1 sensor 2)

Dtc p0038 oxygen sensor heater control circuit high (bank 1 sensor 2)

Inspection procedure
Hint: read freeze frame data using the handheld tester or the obd ii scan tool. Freeze frame data records the engine conditions when a malfunction is detected. When troubleshooting, it is usefu ...

Circuit description
Refer to dtc p0130 Hint: the ecm provides a pulse width modulated control circuit to adjust current through the heater. The heated oxygen sensor heater circuit uses a relay on the b+ side of the ...

Other materials:

Inspection procedure
1 Check p squib circuit(airbag sensor assy center instrument panel passenger airbag assy) Disconnect the negative () terminal cable from the battery, and wait at least for 90 seconds.  disconnect the connectors between the airbag sensor assy center and the instrument panel pas ...

Roof drip side finish moulding center lh
Replacement Hint: use the same procedures for the rh side and lh side. The installation procedures are the removal procedures in reverse order. However, only installation procedures requiring additional information are included. 1. Remove roof drip side finish moulding center lh ...

Types of child restraints
Child restraint systems are classified into the following 3 types according to the age and size of the child: ► Rear facing - Infant seat/convertible seat ► Forward facing - Convertible seat ► Booster seat ■Selecting an appropriate child restraint system ●U ...

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